CN107834840A - 反馈调节开关频率解决电感啸叫的电路结构及其方法 - Google Patents
反馈调节开关频率解决电感啸叫的电路结构及其方法 Download PDFInfo
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- CN107834840A CN107834840A CN201711075802.9A CN201711075802A CN107834840A CN 107834840 A CN107834840 A CN 107834840A CN 201711075802 A CN201711075802 A CN 201711075802A CN 107834840 A CN107834840 A CN 107834840A
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- inductance
- semiconductor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Dc-Dc Converters (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711075802.9A CN107834840A (zh) | 2017-11-06 | 2017-11-06 | 反馈调节开关频率解决电感啸叫的电路结构及其方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711075802.9A CN107834840A (zh) | 2017-11-06 | 2017-11-06 | 反馈调节开关频率解决电感啸叫的电路结构及其方法 |
Publications (1)
Publication Number | Publication Date |
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CN107834840A true CN107834840A (zh) | 2018-03-23 |
Family
ID=61654538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711075802.9A Withdrawn CN107834840A (zh) | 2017-11-06 | 2017-11-06 | 反馈调节开关频率解决电感啸叫的电路结构及其方法 |
Country Status (1)
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CN (1) | CN107834840A (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110957926A (zh) * | 2019-11-22 | 2020-04-03 | 深圳南云微电子有限公司 | 一种轻载检测及降频控制方法及电路 |
CN112436726A (zh) * | 2020-11-27 | 2021-03-02 | 儒竞艾默生环境优化技术(上海)有限公司 | 动态调节开关频率的pfc电路和方法 |
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JPH09117134A (ja) * | 1995-10-17 | 1997-05-02 | Murata Mfg Co Ltd | スイッチング電源 |
JPH10174428A (ja) * | 1996-12-09 | 1998-06-26 | Matsushita Electric Ind Co Ltd | 力率改善回路 |
CN201093232Y (zh) * | 2007-09-27 | 2008-07-30 | 王博豪 | Led电灯电路 |
CN101478241A (zh) * | 2008-01-02 | 2009-07-08 | 檀明升 | 降低开关电源空载损耗的方法和电路 |
CN102801325A (zh) * | 2011-05-23 | 2012-11-28 | 广州昂宝电子有限公司 | 用于电源变换器的开关频率和峰值电流调节的系统和方法 |
CN102891596A (zh) * | 2012-09-27 | 2013-01-23 | 成都芯源系统有限公司 | 控制电路、开关变换器及其控制方法 |
CN103138578A (zh) * | 2013-02-05 | 2013-06-05 | 中兴通讯股份有限公司 | 电路控制方法及装置 |
CN103414318A (zh) * | 2013-08-28 | 2013-11-27 | 上海斐讯数据通信技术有限公司 | 一种峰值电流模式控制的开关电源的斜波补偿电路 |
CN203491914U (zh) * | 2013-10-10 | 2014-03-19 | 成都芯源系统有限公司 | 隔离式开关变换器 |
CN105099184A (zh) * | 2014-04-17 | 2015-11-25 | 钰太芯微电子科技(上海)有限公司 | 一种轻载开关电源芯片 |
CN105703618A (zh) * | 2016-03-05 | 2016-06-22 | 上海斐讯数据通信技术有限公司 | 一种采用常规poe 实现大功率供电的电路及实现方法 |
CN106558976A (zh) * | 2016-10-26 | 2017-04-05 | 广州金升阳科技有限公司 | 驱动控制方法及驱动控制电路 |
CN106851643A (zh) * | 2017-02-17 | 2017-06-13 | 上海斐讯数据通信技术有限公司 | 一种接入无线网络的方法及系统、电子书包系统 |
CN106972936A (zh) * | 2017-04-28 | 2017-07-21 | 上海斐讯数据通信技术有限公司 | 一种可调poe供电电压的系统及方法 |
-
2017
- 2017-11-06 CN CN201711075802.9A patent/CN107834840A/zh not_active Withdrawn
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09117135A (ja) * | 1995-10-17 | 1997-05-02 | Murata Mfg Co Ltd | スイッチング電源 |
JPH09117134A (ja) * | 1995-10-17 | 1997-05-02 | Murata Mfg Co Ltd | スイッチング電源 |
JPH10174428A (ja) * | 1996-12-09 | 1998-06-26 | Matsushita Electric Ind Co Ltd | 力率改善回路 |
CN201093232Y (zh) * | 2007-09-27 | 2008-07-30 | 王博豪 | Led电灯电路 |
CN101478241A (zh) * | 2008-01-02 | 2009-07-08 | 檀明升 | 降低开关电源空载损耗的方法和电路 |
CN102801325A (zh) * | 2011-05-23 | 2012-11-28 | 广州昂宝电子有限公司 | 用于电源变换器的开关频率和峰值电流调节的系统和方法 |
CN102891596A (zh) * | 2012-09-27 | 2013-01-23 | 成都芯源系统有限公司 | 控制电路、开关变换器及其控制方法 |
CN103138578A (zh) * | 2013-02-05 | 2013-06-05 | 中兴通讯股份有限公司 | 电路控制方法及装置 |
CN103414318A (zh) * | 2013-08-28 | 2013-11-27 | 上海斐讯数据通信技术有限公司 | 一种峰值电流模式控制的开关电源的斜波补偿电路 |
CN203491914U (zh) * | 2013-10-10 | 2014-03-19 | 成都芯源系统有限公司 | 隔离式开关变换器 |
CN105099184A (zh) * | 2014-04-17 | 2015-11-25 | 钰太芯微电子科技(上海)有限公司 | 一种轻载开关电源芯片 |
CN105703618A (zh) * | 2016-03-05 | 2016-06-22 | 上海斐讯数据通信技术有限公司 | 一种采用常规poe 实现大功率供电的电路及实现方法 |
CN106558976A (zh) * | 2016-10-26 | 2017-04-05 | 广州金升阳科技有限公司 | 驱动控制方法及驱动控制电路 |
CN106851643A (zh) * | 2017-02-17 | 2017-06-13 | 上海斐讯数据通信技术有限公司 | 一种接入无线网络的方法及系统、电子书包系统 |
CN106972936A (zh) * | 2017-04-28 | 2017-07-21 | 上海斐讯数据通信技术有限公司 | 一种可调poe供电电压的系统及方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110957926A (zh) * | 2019-11-22 | 2020-04-03 | 深圳南云微电子有限公司 | 一种轻载检测及降频控制方法及电路 |
CN112436726A (zh) * | 2020-11-27 | 2021-03-02 | 儒竞艾默生环境优化技术(上海)有限公司 | 动态调节开关频率的pfc电路和方法 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200812 Address after: No. 2-3167, zone a, Nonggang City, No. 2388, Donghuan Avenue, Hongjia street, Jiaojiang District, Taizhou City, Zhejiang Province Applicant after: Taizhou Jiji Intellectual Property Operation Co.,Ltd. Address before: 201616 Shanghai city Songjiang District Sixian Road No. 3666 Applicant before: Phicomm (Shanghai) Co.,Ltd. |
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TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200819 Address after: No. 2-3167, zone a, Nonggang City, No. 2388, Donghuan Avenue, Hongjia street, Jiaojiang District, Taizhou City, Zhejiang Province Applicant after: Taizhou Jiji Intellectual Property Operation Co.,Ltd. Address before: 201616 Shanghai city Songjiang District Sixian Road No. 3666 Applicant before: Phicomm (Shanghai) Co.,Ltd. |
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WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20180323 |